100806875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1$

素因数の和:705

約数の個数: 40

約数和(自身を含む): 143016720

約数和(自身を除く): 42209845

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 247, 325, 475, 625, 653, 1235, 1625, 2375, 3265, 6175, 8125, 8489, 11875, 12407, 16325, 30875, 42445, 62035, 81625, 154375, 161291, 212225, 310175, 408125, 806455, 1061125, 1550875, 4032275, 5305625, 7754375, 20161375, 100806875]

約数ペア:

[(1, 100806875), (5, 20161375), (13, 7754375), (19, 5305625), (25, 4032275), (65, 1550875), (95, 1061125), (125, 806455), (247, 408125), (325, 310175), (475, 212225), (625, 161291), (653, 154375), (1235, 81625), (1625, 62035), (2375, 42445), (3265, 30875), (6175, 16325), (8125, 12407), (8489, 11875)]